NPPES file of Aug 9, 2026

Christopher Stephen Sweeney, M.D.

Emergency Medicine Physician · Lewiston, ME

Christopher Stephen Sweeney, M.D. is an emergency medicine physician with a practice address in Lewiston, Maine, and NPI 1942566450, issued on Apr 9, 2012. Check the license (Maine MD21412, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942566450
Name
Christopher Stephen Sweeney
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD21412 ME
Self-reported in NPPES; status is on the state search
Practice location
91 Campus Ave, Lewiston, ME 04240
Phone
(207) 777-8120
Enumerated
Apr 9, 2012
Record last updated
Jan 19, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(207) 777-8984
Medicare enrollment
Enrolled (PECOS I20170220001948); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 91 Campus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicole Barry, FNPFamily Nurse Practitioner1578105516
  2. Andre Couture, DOEmergency Medicine Physician1629231329
  3. Israel Garcia, NP-CFamily Nurse Practitioner1457744310
  4. Angela Henry, NPFamily Nurse Practitioner1245718097
  5. Curran Lecomte, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1912687492
  6. Kemedy McQuillen, MDEmergency Medicine Physician1720054273

Verify Christopher Stephen Sweeney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD21412
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

77% more Medicare Part D claims than the average emergency medicine physician in 2024

400 Medicare Part D claims for 235 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Christopher Sweeney400
  2. Specialty average226

Most prescribed

  1. Cefuroxime40 claims
  2. Prednisone29 claims
  3. Azithromycin27 claims
  4. Amoxicillin-Clavulanate Potass23 claims
  5. Ondansetron Odt23 claims
  6. Sucralfate22 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. St Marys Regional Medical CenterLewiston, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Stephen Sweeney among 466 emergency medicine physician records in Maine

Christopher Stephen Sweeney, M.D. is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2011 among the 293 with a school on file
  • Record last updated2017 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 emergency medicine physician records list a practice address in Lewiston

They are 63 of the 1,728 NPPES records with a practice address in Lewiston, and 466 emergency medicine physician records in Maine.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Charles Armstrong, MDLewiston, ME 042401134191505
  2. William CollinsLewiston, ME 042401033181409
  3. Timothy Coury, MDLewiston, ME 042401831160209
  4. Richard D'Alessandro, MDLewiston, ME 042401467423830
  5. Michael Friendly, MDLewiston, ME 042401184696338
  6. Henk Goorhuis, MDLewiston, ME 042401780656033
  7. David Johnson, MDLewiston, ME 042401760454649
  8. Mary Claire Murphy, MDLewiston, ME 042401164494399

Common questions

What is Christopher Stephen Sweeney, M.D.'s NPI number?

Christopher Stephen Sweeney, M.D.'s National Provider Identifier (NPI) is 1942566450, issued on Apr 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Stephen Sweeney, M.D. located?

The NPPES record lists a practice address at 91 Campus Ave, Lewiston, ME, 04240. Phone: (207) 777-8120. Providers update this record themselves, so call before visiting.

How can I verify Christopher Stephen Sweeney, M.D.'s license?

NPPES lists Maine license number MD21412, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Stephen Sweeney, M.D. prescribe under Medicare Part D?

In 2024, Christopher Stephen Sweeney, M.D. had 400 Medicare Part D claims for 235 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Christopher Stephen Sweeney, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.